Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Canon G7 X MII and Canon A3400 IS side-by-side from the front, back and top in their relative dimensions. Canon G7 X MII has external dimensions of 106 x 61 x 42 mm (4.17 x 2.4 x 1.65″) and weighs 319 g (0.70 lb / 11.25 oz) (including batteries). Canon A3400 IS has external dimensions of 94 x 56 x 21 mm (3.7 x 2.2 x 0.83″) and weighs 126 g (0.28 lb / 4.44 oz) (including batteries).
Below you can see the front-view size comparison of the Canon G7 X MII and the Canon A3400 IS. Canon A3400 IS is clearly the smaller of the two cameras. Its body is 12mm narrower, 5mm shorter and 21mm thinner than Canon G7 X MII.
Here is the back view size comparison of the Canon G7 X MII and Canon A3400 IS.
Now lets look at the top view comparison of Canon G7 X MII and Canon A3400 IS.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon A3400 IS is significantly lighter (193g ) than the Canon G7 X MII which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Canon PowerShot G7 X Mark II nor Canon PowerShot A3400 IS provides any type of weather sealing in their bodies, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Canon G7 X MII and Canon A3400 IS's LCD screens have the same diagonal size of 3.00 inches.
On the other hand, Canon G7 X MII features a
Tilting screen where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels whereas the Canon A3400 IS has a fixed type screen which provides less flexibility in shooting positions compared to G7 X MII.